feat(util): add basic extractor

lib/providers/snaptikProvider.ts

@@ -1,6 +1,7 @@
 import {snaptikFetch} from '..';
 import {handleException} from '../decorators';
 import {BaseProvider, ExtractedInfo} from './baseProvider';
+import {basicExtractor} from './util';
 
 /**
  * @class SnaptikProvider
@@ -38,37 +39,5 @@ export class SnaptikProvider extends BaseProvider {
     return this.extract(response.body);
   }
 
-
-  /**
-   * Extract information from raw html
-   * @param {string} html - Raw HTML
-   * @return {ExtractedInfo}
-   */
-  extract(html: string): ExtractedInfo {
-    if (/error/gi.test(html)) {
-      return {
-        'error': html.split('\'')
-            .find((x) => /(((url)? error)|could)/gi.test(x)),
-      };
-    } else {
-      // only match script tag
-      const obfuscatedScripts = html
-          .match(/<script[\s\S]*?>[\s\S]*?<\/script>/gi);
-      if (!obfuscatedScripts?.length) {
-        return {
-          error: 'Cannot download the video!',
-        };
-      } else {
-        // eslint-disable-next-line max-len
-        const results = eval(obfuscatedScripts[0].replace(/<(\/)?script( type=".+")?>/g, '').trim().replace('eval', '')).match(/https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/gi);
-        return {
-          'error': undefined,
-          'result': {
-            'thumb': results.shift(),
-            'urls': [...new Set(results)] as string[],
-          },
-        };
-      }
-    }
-  }
+  public extract = basicExtractor;
 };

lib/providers/tikmateProvider.ts

@@ -1,6 +1,7 @@
-import {Providers, tikmateFetch} from '..';
+import {tikmateFetch} from '..';
 import {handleException} from '../decorators';
 import {BaseProvider, ExtractedInfo} from './baseProvider';
+import {basicExtractor} from './util';
 
 /**
  * @class TikmateProvider
@@ -49,6 +50,5 @@ export class TikmateProvider extends BaseProvider {
     return this.extract(abcResponse.body);
   }
 
-  public extract = (Providers.find(
-      (p) => p.resourceName() === 'snaptik') as BaseProvider).extract;
+  public extract = basicExtractor;
 };

lib/providers/util/extractor.ts

@@ -0,0 +1,29 @@
+import {ExtractedInfo} from '../baseProvider';
+
+export const basicExtractor = (html: string): ExtractedInfo => {
+  if (/error/gi.test(html)) {
+    return {
+      'error': html.split('\'')
+          .find((x) => /(((url)? error)|could)/gi.test(x)),
+    };
+  } else {
+    // only match script tag
+    const obfuscatedScripts = html
+        .match(/<script[\s\S]*?>[\s\S]*?<\/script>/gi);
+    if (!obfuscatedScripts?.length) {
+      return {
+        error: 'Cannot download the video!',
+      };
+    } else {
+      // eslint-disable-next-line max-len
+      const results = eval(obfuscatedScripts[0].replace(/<(\/)?script( type=".+")?>/g, '').trim().replace('eval', '')).match(/https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/gi);
+      return {
+        'error': undefined,
+        'result': {
+          'thumb': results.shift(),
+          'urls': [...new Set(results)] as string[],
+        },
+      };
+    }
+  }
+};

lib/providers/util/index.ts

@@ -0,0 +1 @@
+export * from './extractor';